From ee846f39af25c848e194115c9edf682a941a9995 Mon Sep 17 00:00:00 2001
From: Santiago Pastorino <santiago@wyeworks.com>
Date: Wed, 22 May 2013 14:24:22 -0700
Subject: [PATCH] Fix build in 1.8.7

---
 lib/active_model/serializer.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/active_model/serializer.rb b/lib/active_model/serializer.rb
index 6a5275d8..2ac8eacb 100644
--- a/lib/active_model/serializer.rb
+++ b/lib/active_model/serializer.rb
@@ -323,7 +323,7 @@ module ActiveModel
     # Returns a json representation of the serializable
     # object including the root.
     def as_json(args={})
-      super(root: args.fetch(:root, options.fetch(:root, root_name)))
+      super(:root => args.fetch(:root, options.fetch(:root, root_name)))
     end
 
     def serialize_object